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Finding the Fourth Proportional to 439,083.72, 605,927.63 and 248,093.01

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Solution

The fourth proportional to 439,083.72, 605,927.63 and 248,093.01 is: 342,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,083.72 : 605,927.63 = 248,093.01 : x
  2. Step 2: Convert to fraction form
    439,083.72/605,927.63 = 248,093.01/x
  3. Step 3: Cross multiply
    439,083.72x = 605,927.63 × 248,093.01
  4. Step 4: Simplify right side
    439,083.72x = 150,326,408,328.40
  5. Step 5: Solve for x
    x = 150,326,408,328.40/439,083.72
  6. Step 6: Final answer
    x = 342,363.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.